Home / 12,703.15-19,055.27-3,938.23

Finding the Fourth Proportional to 12,703.15, 19,055.27 and 3,938.23

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Solution

The fourth proportional to 12,703.15, 19,055.27 and 3,938.23 is: 5,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.15 : 19,055.27 = 3,938.23 : x
  2. Step 2: Convert to fraction form
    12,703.15/19,055.27 = 3,938.23/x
  3. Step 3: Cross multiply
    12,703.15x = 19,055.27 × 3,938.23
  4. Step 4: Simplify right side
    12,703.15x = 75,044,035.97
  5. Step 5: Solve for x
    x = 75,044,035.97/12,703.15
  6. Step 6: Final answer
    x = 5,907.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.